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Finding the Fourth Proportional to 97,354.70, 134,337.99 and 56,509.37

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Solution

The fourth proportional to 97,354.70, 134,337.99 and 56,509.37 is: 77,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,354.70 : 134,337.99 = 56,509.37 : x
  2. Step 2: Convert to fraction form
    97,354.70/134,337.99 = 56,509.37/x
  3. Step 3: Cross multiply
    97,354.70x = 134,337.99 × 56,509.37
  4. Step 4: Simplify right side
    97,354.70x = 7,591,355,181.97
  5. Step 5: Solve for x
    x = 7,591,355,181.97/97,354.70
  6. Step 6: Final answer
    x = 77,976.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.